Are there any differences between the Quicksilver 2002 and Digital Audio PCI slots or the handling of them?

I ask because a Sil3512 based SATA card flashed with wibetech firmware works and is usable in my Digital Audio but no matter what I do wrt CUDA reset, slot swapping/reseating, etc I cannot seem to get the QS to go beyond a chime.

The DA works just fine with the card.

The QS chimes and stops. No video(black screen), no other sounds, just chime.

The QS and DA both work ok with a NEC based USB card I have as well.

Any ideas?